drivers/clk/mediatek/clk-mt8195-vdec.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // Copyright (c) 2021 MediaTek Inc.
   4 // Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
   5
   6 #include "clk-gate.h"
   7 #include "clk-mtk.h"
   8
   9 #include <dt-bindings/clock/mt8195-clk.h>
  10 #include <linux/clk-provider.h>
  11 #include <linux/platform_device.h>
  12
  13 static const struct mtk_gate_regs vdec0_cg_regs = {
  14         .set_ofs = 0x0,
  15         .clr_ofs = 0x4,
  16         .sta_ofs = 0x0,
  17 };
  18
  19 static const struct mtk_gate_regs vdec1_cg_regs = {
  20         .set_ofs = 0x200,
  21         .clr_ofs = 0x204,
  22         .sta_ofs = 0x200,
  23 };
  24
  25 static const struct mtk_gate_regs vdec2_cg_regs = {
  26         .set_ofs = 0x8,
  27         .clr_ofs = 0xc,
  28         .sta_ofs = 0x8,
  29 };
  30
  31 #define GATE_VDEC0(_id, _name, _parent, _shift)                 \
  32         GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
  33
  34 #define GATE_VDEC1(_id, _name, _parent, _shift)                 \
  35         GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
  36
  37 #define GATE_VDEC2(_id, _name, _parent, _shift)                 \
  38         GATE_MTK(_id, _name, _parent, &vdec2_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv)
  39
  40 static const struct mtk_gate vdec_clks[] = {
  41         /* VDEC0 */
  42         GATE_VDEC0(CLK_VDEC_VDEC, "vdec_vdec", "top_vdec", 0),
  43         /* VDEC1 */
  44         GATE_VDEC1(CLK_VDEC_LAT, "vdec_lat", "top_vdec", 0),
  45         /* VDEC2 */
  46         GATE_VDEC2(CLK_VDEC_LARB1, "vdec_larb1", "top_vdec", 0),
  47 };
  48
  49 static const struct mtk_gate vdec_core1_clks[] = {
  50         /* VDEC0 */
  51         GATE_VDEC0(CLK_VDEC_CORE1_VDEC, "vdec_core1_vdec", "top_vdec", 0),
  52         /* VDEC1 */
  53         GATE_VDEC1(CLK_VDEC_CORE1_LAT, "vdec_core1_lat", "top_vdec", 0),
  54         /* VDEC2 */
  55         GATE_VDEC2(CLK_VDEC_CORE1_LARB1, "vdec_core1_larb1", "top_vdec", 0),
  56 };
  57
  58 static const struct mtk_gate vdec_soc_clks[] = {
  59         /* VDEC0 */
  60         GATE_VDEC0(CLK_VDEC_SOC_VDEC, "vdec_soc_vdec", "top_vdec", 0),
  61         /* VDEC1 */
  62         GATE_VDEC1(CLK_VDEC_SOC_LAT, "vdec_soc_lat", "top_vdec", 0),
  63         /* VDEC2 */
  64         GATE_VDEC2(CLK_VDEC_SOC_LARB1, "vdec_soc_larb1", "top_vdec", 0),
  65 };
  66
  67 static const struct mtk_clk_desc vdec_desc = {
  68         .clks = vdec_clks,
  69         .num_clks = ARRAY_SIZE(vdec_clks),
  70 };
  71
  72 static const struct mtk_clk_desc vdec_core1_desc = {
  73         .clks = vdec_core1_clks,
  74         .num_clks = ARRAY_SIZE(vdec_core1_clks),
  75 };
  76
  77 static const struct mtk_clk_desc vdec_soc_desc = {
  78         .clks = vdec_soc_clks,
  79         .num_clks = ARRAY_SIZE(vdec_soc_clks),
  80 };
  81
  82 static const struct of_device_id of_match_clk_mt8195_vdec[] = {
  83         {
  84                 .compatible = "mediatek,mt8195-vdecsys",
  85                 .data = &vdec_desc,
  86         }, {
  87                 .compatible = "mediatek,mt8195-vdecsys_core1",
  88                 .data = &vdec_core1_desc,
  89         }, {
  90                 .compatible = "mediatek,mt8195-vdecsys_soc",
  91                 .data = &vdec_soc_desc,
  92         }, {
  93                 /* sentinel */
  94         }
  95 };
  96 MODULE_DEVICE_TABLE(of, of_match_clk_mt8195_vdec);
  97
  98 static struct platform_driver clk_mt8195_vdec_drv = {
  99         .probe = mtk_clk_simple_probe,
 100         .remove = mtk_clk_simple_remove,
 101         .driver = {
 102                 .name = "clk-mt8195-vdec",
 103                 .of_match_table = of_match_clk_mt8195_vdec,
 104         },
 105 };
 106 module_platform_driver(clk_mt8195_vdec_drv);
 107
 108 MODULE_DESCRIPTION("MediaTek MT8195 Video Decoders clocks driver");
 109 MODULE_LICENSE("GPL");